Money flow network among firms’ accounts in a regional bank of JapanYoshi Fujiwara, Hiroyasu Inoue, Takayuki Yamaguchi, Hideaki Aoyama, Takuma Tanaka and Kentaro KikuchiEPJ Data Sci., 10 1 (2021) 19DOI: https://doi.org/10.1140/epjds/s13688-021-00274-x